[1]JournaloftheChemicalSociety,1953,p.2089,2091
[1]JournaloftheChemicalSociety,1951,p.3418,3419
[1]JournalfurpraktischeChemie(Leipzig1954),1939,vol.<2>152,p.49,67
[2]HelveticaChimicaActa,1970,vol.53,p.1294-1305
[3]JournalofMedicinalChemistry,2005,vol.48,p.3953-3979
[1]JournaloftheChemicalSociety,1951,p.3418,3419
[1]JournalfurpraktischeChemie(Leipzig1954),1939,vol.<2>152,p.49,67